Armchair



FIG. 1 is a front perspective view of a chair showing my design;

FIG. 2 is a side elevational view; and

FIG. 3 is a front elevational view thereof.

The side of the chair not shown is a mirror image of the side shown in FIG. 2 while the rear of the chair is conventional in appearance. 

The ornamental design for an armchair, as shown and described. 